160 lines
3.6 KiB
Go
160 lines
3.6 KiB
Go
package aws
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import (
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"fmt"
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"github.com/aws/aws-sdk-go/aws"
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"github.com/aws/aws-sdk-go/aws/awserr"
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"github.com/aws/aws-sdk-go/service/iam"
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"github.com/hashicorp/terraform/helper/schema"
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)
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func resourceAwsIamGroupMembership() *schema.Resource {
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return &schema.Resource{
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Create: resourceAwsIamGroupMembershipCreate,
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Read: resourceAwsIamGroupMembershipRead,
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Update: resourceAwsIamGroupMembershipUpdate,
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Delete: resourceAwsIamGroupMembershipDelete,
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Schema: map[string]*schema.Schema{
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"name": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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ForceNew: true,
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},
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"users": &schema.Schema{
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Type: schema.TypeSet,
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Required: true,
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Elem: &schema.Schema{Type: schema.TypeString},
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Set: schema.HashString,
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},
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"group": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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ForceNew: true,
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},
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},
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}
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}
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func resourceAwsIamGroupMembershipCreate(d *schema.ResourceData, meta interface{}) error {
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conn := meta.(*AWSClient).iamconn
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group := d.Get("group").(string)
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userList := expandStringList(d.Get("users").(*schema.Set).List())
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if err := addUsersToGroup(conn, userList, group); err != nil {
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return err
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}
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d.SetId(d.Get("name").(string))
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return resourceAwsIamGroupMembershipRead(d, meta)
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}
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func resourceAwsIamGroupMembershipRead(d *schema.ResourceData, meta interface{}) error {
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conn := meta.(*AWSClient).iamconn
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group := d.Get("group").(string)
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resp, err := conn.GetGroup(&iam.GetGroupInput{
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GroupName: aws.String(group),
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})
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if err != nil {
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if awsErr, ok := err.(awserr.Error); ok {
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// aws specific error
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if awsErr.Code() == "NoSuchEntity" {
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// group not found
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d.SetId("")
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return nil
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}
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}
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return err
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}
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ul := make([]string, 0, len(resp.Users))
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for _, u := range resp.Users {
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ul = append(ul, *u.UserName)
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}
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if err := d.Set("users", ul); err != nil {
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return fmt.Errorf("[WARN] Error setting user list from IAM Group Membership (%s), error: %s", group, err)
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}
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return nil
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}
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func resourceAwsIamGroupMembershipUpdate(d *schema.ResourceData, meta interface{}) error {
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conn := meta.(*AWSClient).iamconn
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if d.HasChange("users") {
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group := d.Get("group").(string)
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o, n := d.GetChange("users")
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if o == nil {
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o = new(schema.Set)
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}
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if n == nil {
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n = new(schema.Set)
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}
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os := o.(*schema.Set)
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ns := n.(*schema.Set)
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remove := expandStringList(os.Difference(ns).List())
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add := expandStringList(ns.Difference(os).List())
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if err := removeUsersFromGroup(conn, remove, group); err != nil {
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return err
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}
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if err := addUsersToGroup(conn, add, group); err != nil {
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return err
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}
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}
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return resourceAwsIamGroupMembershipRead(d, meta)
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}
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func resourceAwsIamGroupMembershipDelete(d *schema.ResourceData, meta interface{}) error {
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conn := meta.(*AWSClient).iamconn
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userList := expandStringList(d.Get("users").(*schema.Set).List())
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group := d.Get("group").(string)
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if err := removeUsersFromGroup(conn, userList, group); err != nil {
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return err
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}
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return nil
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}
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func removeUsersFromGroup(conn *iam.IAM, users []*string, group string) error {
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for _, u := range users {
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_, err := conn.RemoveUserFromGroup(&iam.RemoveUserFromGroupInput{
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UserName: u,
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GroupName: aws.String(group),
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})
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if err != nil {
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if iamerr, ok := err.(awserr.Error); ok && iamerr.Code() == "NoSuchEntity" {
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return nil
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}
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return err
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}
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}
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return nil
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}
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func addUsersToGroup(conn *iam.IAM, users []*string, group string) error {
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for _, u := range users {
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_, err := conn.AddUserToGroup(&iam.AddUserToGroupInput{
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UserName: u,
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GroupName: aws.String(group),
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})
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if err != nil {
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return err
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}
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}
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return nil
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}
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